AKO 372920

AKO Sun Power S 250 Solar Fence Energizer

User Manual

Introduction

The AKO Sun Power S 250 is a highly efficient, compact solar fence energizer designed for reliable operation in various agricultural settings. This device is ideal for managing paddocks and small fences, particularly those without dense vegetation, ensuring the safety and containment of your animals.

Equipped with intelligent battery management, the Sun Power S 250 offers extended autonomy, capable of operating for up to two weeks without direct sunlight. It also features deep discharge protection, indicated by a red flashing light when battery voltage drops below 11.2 V, safeguarding the battery's lifespan.

AKO Sun Power S 250 Solar Fence Energizer front view

Figure 1: Front view of the AKO Sun Power S 250 Solar Fence Energizer, showcasing its integrated solar panel and robust green casing.

Setup

Proper setup is crucial for the optimal performance of your AKO Sun Power S 250. Follow these steps to ensure effective operation:

  1. Placement: Choose a location for the energizer that receives maximum direct sunlight throughout the day. Avoid shaded areas from trees, buildings, or dense vegetation. The solar panel should face south (in the Northern Hemisphere) for best results.
  2. Mounting: The energizer can be mounted on a fence post or a dedicated stand. Ensure it is securely fastened to prevent movement or damage from wind or animals.
  3. Grounding: Connect the energizer's ground terminal (usually marked with a ground symbol or "EARTH") to a suitable ground rod. The ground rod should be driven deep into moist soil, away from other electrical grounds. A good ground system is essential for effective fence performance.
  4. Fence Connection: Connect the energizer's fence terminal (usually marked with a lightning bolt or "FENCE") to your electric fence line. Use insulated wire designed for electric fences to prevent energy loss.
  5. Battery Connection: Ensure the internal 12V battery is properly connected. The intelligent battery management system will optimize charging from the solar panel.
AKO Sun Power S 250 mounted on a fence post with horses in the background

Figure 2: The AKO Sun Power S 250 installed on a wooden fence post, demonstrating its use in a pasture with horses. The solar panel is clearly visible, positioned to capture sunlight.

AKO Sun Power S 250 mounted on a fence post with electric fence tape

Figure 3: A closer view of the AKO Sun Power S 250 attached to a fence post, with white electric fence tape extending from it. This illustrates a typical installation scenario for small fences.

Operating Instructions

Once properly set up, the AKO Sun Power S 250 operates largely autonomously. Here are key operational aspects:

  • Power On/Off: Locate the power switch on the unit (refer to Figure 4 for typical switch location). Switch it to the "ON" position to activate the energizer.
  • Intelligent Battery Management: The device features an intelligent battery management system that optimizes charging from the solar panel and manages power consumption. This ensures long operational periods, even during cloudy weather.
  • Deep Discharge Protection: To protect the battery from damage, the energizer will enter a deep discharge protection mode if the battery voltage drops below 11.2 V. In this mode, a red light will flash, indicating low battery. The energizer will cease to output pulses until sufficient charge is restored.
  • Seasonal Use: This energizer is designed for reliable, maintenance-free operation during the main grazing season. Its robust design ensures performance in various weather conditions.
Rear view of AKO Sun Power S 250 showing battery compartment and terminals

Figure 4: Rear view of the AKO Sun Power S 250, showing the battery compartment, power switch, and connection terminals for fence and ground wires. This view is essential for understanding wiring and controls.

Maintenance

Regular maintenance ensures the longevity and efficiency of your solar fence energizer:

  • Solar Panel Cleaning: Periodically clean the surface of the solar panel with a soft, damp cloth to remove dust, dirt, or debris. A clean panel ensures maximum solar energy absorption.
  • Vegetation Control: Keep vegetation clear around the fence line and the energizer. Overgrown plants can short out the fence and reduce energizer effectiveness.
  • Connection Checks: Regularly inspect all connections (fence, ground, battery) to ensure they are secure and free from corrosion. Loose or corroded connections can lead to power loss.
  • Battery Health: While the unit has deep discharge protection, it's good practice to monitor the battery indicator, especially during prolonged periods of low sunlight. If storing the unit for an extended period, ensure the battery is fully charged and disconnect it if possible, or store in a cool, dry place.

Troubleshooting

If your AKO Sun Power S 250 is not performing as expected, consider the following common issues and solutions:

ProblemPossible CauseSolution
No fence pulse / Weak pulse
  • Low battery voltage
  • Poor grounding
  • Fence shorting out (vegetation, broken insulators)
  • Loose connections
  • Ensure solar panel is clean and receiving direct sunlight. Allow time for battery to charge.
  • Check ground rod connection and ensure it's in moist soil. Add more ground rods if necessary.
  • Inspect fence line for vegetation touching wires or damaged insulators. Clear vegetation and repair insulators.
  • Tighten all connections at the energizer and along the fence line.
Red light flashing (low battery indicator)
  • Insufficient sunlight for charging
  • Excessive fence load (short circuit)
  • Battery nearing end of life
  • Relocate energizer to a sunnier spot or clear obstructions.
  • Check fence for shorts.
  • Consider replacing the 12V battery if it no longer holds a charge.
Energizer not turning on
  • Power switch is off
  • Completely discharged battery
  • Internal fault
  • Ensure power switch is in the "ON" position.
  • Allow unit to charge in direct sunlight for at least 24-48 hours.
  • If issues persist after charging and checking connections, contact customer support.

Specifications

FeatureDetail
Model Number372920
BrandAKO
Power Source12V Solar Powered
Maximum Fence Length (without vegetation)Up to 3 km
Battery ManagementIntelligent battery management with deep discharge protection
Low Battery IndicatorRed flashing light at <11.2 V
Package Dimensions31 x 25 x 17 cm
Item Weight3.91 kilograms
ManufacturerAlbert Kerbl GmbH

Warranty and Support

For specific warranty details and customer support, please refer to the documentation provided with your purchase or visit the official AKO website. Warranty terms typically cover manufacturing defects and vary by region and retailer.

For technical assistance, troubleshooting beyond this manual, or spare parts inquiries, please contact AKO customer service or your authorized dealer. Keep your purchase receipt and model number (372920) handy when contacting support.

Note: Information regarding spare parts availability was not provided in the product data. Please consult the manufacturer for details.

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